You can do a google search you can go to www.payifsells.com or www.payifsell.com not sure which it is but you can google it there site is awsome site. I just dont do online auctions anymore so i dont use them. But I am thinking of using again for christmas gifts lol got to get those gifts for my son so he will be happy. You can go to

choose only site that has good reputation. you can use site ranking tools checker like compete tools or alexa to identify the numbers of visitors that coming per month. In that way, you would identify whether it is good auction site or not.

payment proof?
many of these are scam or they have bots to auto bid -.0

Right, they jack up your bid to the max to increase their revenues, I am always suspicious of new auction sites. Ebay just made a good idea into a monster, I don't sell on auctions anymore, I guess if you are into gun auctions there is gunbroker.com